12 Inch Dacromet Integral Hub & Rotor for 5.2K-6K Boat Trailer Axles
This 12-inch integral hub and rotor assembly also called ROTOR-HUB-12-DAC is a heavy-duty braking component specially designed for 5,200 lbs to 6,000 lbs trailer axles, widely compatible with Dexter and Lippert brand medium-load trailer axles. Modeled as 655 specification slip-on rotor unit, it adopts an economical one-piece integrated hub and rotor structure, combining excellent structural stability and cost performance, which is an ideal replacement and original matching part for medium-duty boat trailers and utility trailers.
The rotor features a standard 6 on 5.5″ bolt pattern, perfectly matching conventional trailer wheel specifications for quick and accurate wheel installation and positioning. This assembly applies standard grease and Zerk lube lubrication design, supporting daily regular grease injection and maintenance, effectively reducing operating friction, avoiding abrasion and jamming, and maintaining long-term smooth and stable rotation of the hub. Different from pre-assembled products, this hub rotor is designed to use 25580 inner bearing and 15123 outer bearing (bearings not included), allowing customers to select and install matching bearings according to actual usage needs, with higher flexibility and adaptability.
The whole hub and rotor assembly is finished with premium Dacromet coating, a high-performance inorganic anti-corrosion process exclusive for marine equipment. This specialized surface treatment forms a dense and uniform protective layer on the metal surface, effectively resisting salt spray, seawater erosion, high humidity oxidation and coastal climate corrosion. It is perfectly suitable for boat trailers working in harsh marine environments, solving the problem of easy rust and damage of ordinary brake rotors in saltwater and high-humidity scenarios. In addition, the Dacromet process produces no hydrogen embrittlement, completely protecting the structural strength of the high-load hub and rotor, avoiding fracture risks caused by traditional electroplating, and greatly improving the overall safety and service life of the product.
Adopting a mature slip-on rotor one-piece integral design, the product eliminates assembly gaps, ensures high braking concentricity, and delivers stable, uniform and jitter-free braking performance during heavy-load driving and long-distance transportation. It has excellent heat resistance and braking fatigue resistance, which can cope with frequent braking operations of medium-load trailers. With reliable mechanical performance, convenient maintenance and outstanding marine anti-corrosion capability, this 12-inch Dacromet hub rotor is a cost-effective and durable braking accessory for 5.2K-6K medium-duty marine trailers and commercial utility trailers.
Core Specifications
|
Fit Axle Capacity |
5,200 lbs – 6,000 lbs trailer axles (Compatible with Dexter and most mainstream axles) |
|
Rotor Size |
12 Inch, Integral Slip-On Design |
|
Bolt Pattern |
6 on 5.5″ |
|
Matched Bearings |
25580 Inner Bearing / 15123 Outer Bearing (Bearings Not Included) |
|
Lubrication Type |
Standard Grease & Zerk Lube Applications |
|
Surface Finish |
Premium Dacromet Anti-corrosion Coating |
|
Application Scenario |
Marine boat trailers, medium-duty utility trailers |
FAQs
Q1: What axles does this 12" rotor hub fit?
A: This integral hub rotor is engineered for 5.2K to 6K lbs trailer axles, fully compatible with Dexter axles and most common 5200/6000 lbs medium-load trailer axles on the market.
Q2: Are bearings included with this rotor hub?
A: No. This unit is sold as hub and rotor only. It requires separately purchased25580 inner bearing and 15123 outer bearing for installation.
Q3: Why choose Dacromet finish for boat trailer brake parts?
A: Dacromet coating provides superior salt spray and corrosion resistance for high-humidity, saltwater marine environments. It features no hydrogen embrittlement, stronger durability than ordinary galvanization, and effectively prevents rust and metal fatigue in long-term marine use.
Q4: What is the advantage of the one-piece slip-on rotor design?
A: The integral one-piece structure ensures high concentricity, stable braking performance and no vibration. The slip-on design simplifies installation and replacement, while the standard Zerk lube structure supports easy daily maintenance and grease replenishment.
Q5: What wheels fit this rotor hub?
A: It adopts a standard 6 on 5.5″ bolt pattern, matching most conventional trailer wheels that apply to 5.2K-6K medium-load axles, with wide compatibility and easy replacement.
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